Blue injection-molded cone * High-temperature dual Kapton voice coil * Chrome-plated basket * PL-1090BL mounting depth: 6 1/4" * PL-1290BL mounting depth: 6 1/2" * Blue Injection Molded Cone * Non-Fatiguing Big Rubber Suspension * Blue Chrome-Plated Steel Basket * Bumped Vented Extended Pole Piece * Silver Plated Terminal * Flat Progressive Spider * New Wave-Like Rubber Gasket * Rubber Magnet Boot * 2.5"" High Temperature Dual Kapton Voice Coil * Magnet Weight: 2x90 oz * 1400 Watt Max Power Handling * Impedance: 4 Ohm (Per Coil) * Fs:21.2, Qms:5.0, Qes:0.90, Qts:0.75, Vas (Cu ft)5.204 * SPL: 84dB * Overall Diameter: 15.84"" * Mounting Depth: 8.52"" * Sold as : Unit